Select your cookie preferences

We use cookies and similar tools to enhance your experience, provide our services, deliver relevant advertising, and make improvements. Approved third parties also use these tools to help us deliver advertising and provide certain site features.

CVE-2021-29154

Public on 2021-04-08
Modified on 2021-07-15
Description

A flaw was found in the Linux kernels eBPF implementation. By default, accessing the eBPF verifier is only accessible to privileged users with CAP_SYS_ADMIN. A local user with the ability to insert eBPF instructions can abuse a flaw in eBPF to corrupt memory. The highest threat from this vulnerability is to confidentiality, integrity, as well as system availability.

Severity
Medium
See what this means
CVSS v3 Base Score
7.0
See breakdown
Continue reading

Affected Packages

Platform Package Release Date Advisory
Amazon Linux 1 kernel 2021-05-20 21:12 ALAS-2021-1503
Amazon Linux 2 - Core kernel 2021-04-20 17:55 ALAS2-2021-1627
Amazon Linux 2 - Kernel-5.4 Extra kernel 2022-01-12 00:00 ALAS2KERNEL-5.4-2022-003

CVSS Scores

Score Type Score Vector
Amazon Linux CVSSv3 7.0 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
NVD CVSSv3 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
NVD CVSSv2 7.2 AV:L/AC:L/Au:N/C:C/I:C/A:C